Subject: [PATCH 02/20] clk: multiplier: Prevent the multiplier from under / over flowing

From: [email-masked] (Maxime Ripard)
Date: Fri, 10 Jun 2016 14:31:38 +0200

Hi Mike, Stephen,

On Mon, May 16, 2016 at 02:47:02PM +0200, Maxime Ripard wrote:
> In the current multiplier base clock implementation, if the
> CLK_SET_RATE_PARENT flag isn't set, the code will not make sure that the
> multiplier computed remains within the boundaries of our clock.
> 
> This means that if the clock we want to reach is below the parent rate,
> or if the multiplier is above the maximum that we can reach, we will end up
> with a completely bogus one that the clock cannot achieve.
> 
> Fixes: f2e0a53271a4 ("clk: Add a basic multiplier clock")
> Signed-off-by: Maxime Ripard <[email-masked]>

Any comments?

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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